43285121718 has 8 divisors (see below), whose sum is σ = 86570243448. Its totient is φ = 14428373904.

The previous prime is 43285121713. The next prime is 43285121723. The reversal of 43285121718 is 81712158234.

It is an interprime number because it is at equal distance from previous prime (43285121713) and next prime (43285121723).

It is a sphenic number, since it is the product of 3 distinct primes.

43285121718 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 43285121718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43285121713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3607093471 + ... + 3607093482.

It is an arithmetic number, because the mean of its divisors is an integer number (10821280431).

Almost surely, 2^43285121718 is an apocalyptic number.

43285121718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43285121718 is a wasteful number, since it uses less digits than its factorization.

43285121718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214186958.

The product of its digits is 107520, while the sum is 42.

The spelling of 43285121718 in words is "forty-three billion, two hundred eighty-five million, one hundred twenty-one thousand, seven hundred eighteen".